Patch 1.5 has been launched quite a while ago and as of recent Patch 1.6 is on the TL server. This patch adds a huge amount of new content in much needed places and fixes a lot of current issues on the way.

Patch 1.06 includes:

Guild Renown System

New Pvp Modes

Tier 3 raiding, Toth'Amon's Stronghold

Assasin Revamp

Much more!

Check out official Test Live Forums for all the information on the update.